Question

Find out the quartile deviation of the income of a certain person given in
rupees for 12 months in a year.
139, 150, 151, 151, 157, 158, 160, 161, 162, 162, 173, 175.​

Answer 1

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Answer 2

Solution

S.NO. Income(Rs)

1 139

2 150

3 151

4 151

5 157

6 158

7 160

8 161

9 162

10 162

11 173

12 175

N= 12